/*
 * Copyright 2016 Carlos Ballesteros Velasco
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package java.io;

public final class FileDescriptor {
    private int fd;
    
    public FileDescriptor() {
        fd = -1;
    }
    
    private FileDescriptor(int fd) {
        this.fd = fd;
    }
    
    public static final FileDescriptor in = new FileDescriptor(0);
    
    public static final FileDescriptor out = new FileDescriptor(1);
    
    public static final FileDescriptor err = new FileDescriptor(2);
    
    public boolean valid() {
        return fd != -1;
    }
    
    public native void sync() throws SyncFailedException;
}
